1.what is the lowest common denominator in this addition of algebraic fractions ? a. a + b b. b c....

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Page 1: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b
Page 2: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

1. What is the lowest common denominator in this addition of algebraic fractions ?

A. a + bB. bC. b(a + b)D. aE. ab + 2a + 2b

a 2+a+b b

Page 3: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

Students should be able to answer this questions without picking up a pencil.True

False

Page 4: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

2. A 16-inch chord is drawn on a circle having a diameter of 34 inches. How far, in inches, is the chord from the center of the circle?

A. 8B. 15C. 16D. 17E. 18

Page 5: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

Calculators are needed to solve the previous problem.

True

False

Page 6: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

3. An item is sold for $2.00, which is 20% less than the regular price. What is the regular price?

A. $1.60B. $1.80C. $2.20D. $2.50E. $2.70

Page 7: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

Did you use pencil and paper or a calculator to solve the previous problem. If so, which did you use?

Page 8: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

4. Point B (3, -4) is the midpoint of segment AC. If the coordinates of A are (-8, 3), what are the coordinates of C?

A. (-5, -1)B. (-19, 10)C. ( )D. (-5, 7)E. (14, -11)

1 12 ,-2 2

Page 9: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

Talk to a partner about the strategy you chose to solve the previous problem

Page 10: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

5. The sides of a rectangular solid are a, a + 1, a + 2. What is the volume?

A. a3 + 3B. a3 + 3a2 + 2C. a3 + 3a2 + 2D. a3 + 3a2 + 2aE. 3a + 3

Page 11: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

My students should use pencil and paper on this problem.

True

False

Page 12: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

6.

A. .

B. .

C. .

D. .

E. .

105

1 1?

5 2 5

510

-15

- 55

10 5

Page 13: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

This problem needs a calculator!

True

False

Page 14: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

7. Which equationis represented bythis graph?

4

2

-2

1

A. x+ y = 1

B. 2x – y = 1

C. x + 2y = 1

D. x + y = 2

E. x – y = + 1

Page 15: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

Which are the only two possible choices for an answer to the previous question?

A. A and DB. B and EC. A and ED. B and CE. D and D

Page 16: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

8. For all x, (- 2 – 3x)2 = ?

A. 9x2 + 4B. 9x2 – 6x + 4C. 9x2 + 12x + 4D. 9x2 + 12x – 4E. 9x2 -12x + 4

Page 17: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

Talk to your partner about how students interpret “for all x.”

Page 18: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

9. What is the length, in inches, of the longest umbrella that will fit inside an empty suitcase that measures 24” x 10” x 8”?

A. 23.5B. 25C. 26D. 28E. 29

Page 19: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

I drew a sketch to work this problem.

True

False

Page 20: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

10. If the length of the bases of an isosceles trapezoid are 15 feet and 21 feet, respectively, and each leg is 5 feet long, what is the number of square feet in the area of the trapezoid?A. 72B. 75C. 90D. 144E. 180

Page 21: 1.What is the lowest common denominator in this addition of algebraic fractions ? A. a + b B. b C. b(a + b) D. a E. ab + 2a + 2b

I drew a sketch to work this problem.

True

False